S
M
T
W
T
F
S
26
82°
71°
27
86°
72°
28
89°
76°
29
90°
76°
30
87°
72°
31
88°
69°
1
91°
75°
2
87°
75°
3
83°
74°
4
84°
74°
5
87°
73°
6
86°
74°
7
87°
73°
8
88°
74°
9
87°
73°
10
87°
74°
11
89°
73°
12
89°
72°
13
87°
73°
14
88°
70°
15
87°
72°
16
82°
69°
17
88°
73°
18
90°
74°
19
90°
74°
20
91°
73°
21
89°
72°
22
88°
71°
23
88°
72°
24
89°
72°
25
89°
73°
26
88°
73°
27
85°
72°
28
84°
72°
29
86°
71°
30
88°
72°
31
88°
72°
1
87°
71°
2
88°
71°
3
84°
67°
4
82°
68°
5
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Longwood
Longwood's August 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 66° and 75°. The average high for August is 87° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Longwood. See also: September | October | November.